ocdp v1

backend/internal/pkg/crypto/crypto.go

@@ -0,0 +1,128 @@
+package crypto
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/base64"
+	"errors"
+	"io"
+)
+
+// Encryptor 加密器接口
+type Encryptor interface {
+	Encrypt(plaintext string) (string, error)
+	Decrypt(ciphertext string) (string, error)
+}
+
+// AESEncryptor AES 加密器
+type AESEncryptor struct {
+	key []byte
+}
+
+// NewAESEncryptor 创建 AES 加密器
+// key: 加密密钥（会自动派生为32字节密钥）
+func NewAESEncryptor(key string) *AESEncryptor {
+	// 使用 SHA256 派生固定长度的密钥
+	hash := sha256.Sum256([]byte(key))
+	return &AESEncryptor{
+		key: hash[:],
+	}
+}
+
+// Encrypt 加密字符串
+// 返回 Base64 编码的密文
+func (e *AESEncryptor) Encrypt(plaintext string) (string, error) {
+	if plaintext == "" {
+		return "", nil
+	}
+
+	block, err := aes.NewCipher(e.key)
+	if err != nil {
+		return "", err
+	}
+
+	// 创建 GCM 模式
+	gcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	// 生成随机 nonce
+	nonce := make([]byte, gcm.NonceSize())
+	if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
+		return "", err
+	}
+
+	// 加密（nonce 会自动附加到密文前面）
+	ciphertext := gcm.Seal(nonce, nonce, []byte(plaintext), nil)
+
+	// Base64 编码
+	return base64.StdEncoding.EncodeToString(ciphertext), nil
+}
+
+// Decrypt 解密字符串
+// 输入为 Base64 编码的密文
+func (e *AESEncryptor) Decrypt(ciphertext string) (string, error) {
+	if ciphertext == "" {
+		return "", nil
+	}
+
+	// Base64 解码
+	data, err := base64.StdEncoding.DecodeString(ciphertext)
+	if err != nil {
+		return "", err
+	}
+
+	block, err := aes.NewCipher(e.key)
+	if err != nil {
+		return "", err
+	}
+
+	gcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	nonceSize := gcm.NonceSize()
+	if len(data) < nonceSize {
+		return "", errors.New("ciphertext too short")
+	}
+
+	// 提取 nonce 和实际密文
+	nonce, cipherBytes := data[:nonceSize], data[nonceSize:]
+
+	// 解密
+	plaintext, err := gcm.Open(nil, nonce, cipherBytes, nil)
+	if err != nil {
+		return "", err
+	}
+
+	return string(plaintext), nil
+}
+
+// MaskSensitiveData 脱敏显示敏感数据
+// 如果数据为空或已加密标记，返回掩码
+func MaskSensitiveData(data string) string {
+	if data == "" {
+		return ""
+	}
+	return "••••••••" // 统一返回8个点，不泄露长度信息
+}
+
+// IsEncrypted 检查字符串是否已加密
+// 简单检查：加密后的数据是 Base64 格式且长度较长
+func IsEncrypted(data string) bool {
+	if data == "" {
+		return false
+	}
+	// 加密后的数据至少有 nonce(12) + tag(16) + 内容，Base64后会更长
+	if len(data) < 40 {
+		return false
+	}
+	// 尝试 Base64 解码
+	_, err := base64.StdEncoding.DecodeString(data)
+	return err == nil
+}
+

backend/internal/pkg/crypto/crypto_test.go

@@ -0,0 +1,124 @@
+package crypto
+
+import (
+	"testing"
+)
+
+func TestAESEncryptor(t *testing.T) {
+	encryptor := NewAESEncryptor("test-secret-key")
+
+	tests := []struct {
+		name      string
+		plaintext string
+	}{
+		{"simple password", "password123"},
+		{"harbor password", "BWGDIP@ssw0rd1401#"},
+		{"empty string", ""},
+		{"long certificate", "LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSUJkekNDQVIyZ0F3SUJBZ0lCQURBS0JnZ3Foa2pP"},
+		{"unicode", "密码123!@#"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// 测试加密
+			encrypted, err := encryptor.Encrypt(tt.plaintext)
+			if err != nil {
+				t.Fatalf("Encrypt failed: %v", err)
+			}
+
+			// 空字符串应该返回空
+			if tt.plaintext == "" {
+				if encrypted != "" {
+					t.Errorf("Expected empty encrypted string, got %s", encrypted)
+				}
+				return
+			}
+
+			// 加密后应该不同
+			if encrypted == tt.plaintext {
+				t.Errorf("Encrypted text should differ from plaintext")
+			}
+
+			// 测试解密
+			decrypted, err := encryptor.Decrypt(encrypted)
+			if err != nil {
+				t.Fatalf("Decrypt failed: %v", err)
+			}
+
+			// 解密后应该相同
+			if decrypted != tt.plaintext {
+				t.Errorf("Decrypted text mismatch: got %s, want %s", decrypted, tt.plaintext)
+			}
+		})
+	}
+}
+
+func TestMaskSensitiveData(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{"normal password", "password123", "••••••••"},
+		{"empty string", "", ""},
+		{"long string", "very-long-password-with-many-characters", "••••••••"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := MaskSensitiveData(tt.input)
+			if result != tt.expected {
+				t.Errorf("MaskSensitiveData(%s) = %s, want %s", tt.input, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestIsEncrypted(t *testing.T) {
+	encryptor := NewAESEncryptor("test-key")
+
+	plaintext := "password123"
+	encrypted, _ := encryptor.Encrypt(plaintext)
+
+	tests := []struct {
+		name     string
+		input    string
+		expected bool
+	}{
+		{"encrypted data", encrypted, true},
+		{"plaintext", "password123", false},
+		{"empty string", "", false},
+		{"short string", "abc", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := IsEncrypted(tt.input)
+			if result != tt.expected {
+				t.Errorf("IsEncrypted(%s) = %v, want %v", tt.input, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestEncryptionConsistency(t *testing.T) {
+	encryptor := NewAESEncryptor("consistent-key")
+	plaintext := "test-password"
+
+	// 多次加密同一内容，结果应该不同（因为使用随机 nonce）
+	encrypted1, _ := encryptor.Encrypt(plaintext)
+	encrypted2, _ := encryptor.Encrypt(plaintext)
+
+	if encrypted1 == encrypted2 {
+		t.Error("Multiple encryptions of same plaintext should produce different ciphertexts")
+	}
+
+	// 但解密结果应该相同
+	decrypted1, _ := encryptor.Decrypt(encrypted1)
+	decrypted2, _ := encryptor.Decrypt(encrypted2)
+
+	if decrypted1 != plaintext || decrypted2 != plaintext {
+		t.Error("Decryption should produce original plaintext")
+	}
+}
+

backend/internal/pkg/jwt/jwt.go

@@ -0,0 +1,123 @@
+package jwt
+
+import (
+	"fmt"
+	"time"
+	
+	"github.com/golang-jwt/jwt/v5"
+)
+
+const (
+	AccessTokenDuration  = 24 * time.Hour      // Access Token 有效期
+	RefreshTokenDuration = 7 * 24 * time.Hour  // Refresh Token 有效期
+)
+
+// JWTManager JWT 管理器
+type JWTManager struct {
+	secretKey string
+}
+
+// NewJWTManager 创建 JWT 管理器
+func NewJWTManager(secretKey string) *JWTManager {
+	return &JWTManager{
+		secretKey: secretKey,
+	}
+}
+
+// Claims JWT Claims
+type Claims struct {
+	UserID   string `json:"user_id"`
+	Username string `json:"username"`
+	jwt.RegisteredClaims
+}
+
+// Generate 生成 Access Token 和 Refresh Token
+func (m *JWTManager) Generate(userID, username string) (accessToken, refreshToken string, err error) {
+	// 生成 Access Token
+	accessClaims := &Claims{
+		UserID:   userID,
+		Username: username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(AccessTokenDuration)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+	
+	accessTokenObj := jwt.NewWithClaims(jwt.SigningMethodHS256, accessClaims)
+	accessToken, err = accessTokenObj.SignedString([]byte(m.secretKey))
+	if err != nil {
+		return "", "", fmt.Errorf("failed to sign access token: %w", err)
+	}
+	
+	// 生成 Refresh Token
+	refreshClaims := &Claims{
+		UserID:   userID,
+		Username: username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(RefreshTokenDuration)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+	
+	refreshTokenObj := jwt.NewWithClaims(jwt.SigningMethodHS256, refreshClaims)
+	refreshToken, err = refreshTokenObj.SignedString([]byte(m.secretKey))
+	if err != nil {
+		return "", "", fmt.Errorf("failed to sign refresh token: %w", err)
+	}
+	
+	return accessToken, refreshToken, nil
+}
+
+// Verify 验证 Token
+func (m *JWTManager) Verify(tokenString string) (userID, username string, err error) {
+	userID, username, _, err = m.VerifyWithIssuedAt(tokenString)
+	return userID, username, err
+}
+
+// VerifyWithIssuedAt 验证 Token 并返回签发时间
+func (m *JWTManager) VerifyWithIssuedAt(tokenString string) (userID, username string, issuedAt int64, err error) {
+	token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
+		}
+		return []byte(m.secretKey), nil
+	})
+	
+	if err != nil {
+		return "", "", 0, fmt.Errorf("failed to parse token: %w", err)
+	}
+	
+	if claims, ok := token.Claims.(*Claims); ok && token.Valid {
+		return claims.UserID, claims.Username, claims.IssuedAt.Unix(), nil
+	}
+	
+	return "", "", 0, fmt.Errorf("invalid token")
+}
+
+// Refresh 刷新 Token
+func (m *JWTManager) Refresh(refreshToken string) (string, error) {
+	// 验证 Refresh Token
+	userID, username, err := m.Verify(refreshToken)
+	if err != nil {
+		return "", fmt.Errorf("invalid refresh token: %w", err)
+	}
+	
+	// 生成新的 Access Token
+	accessClaims := &Claims{
+		UserID:   userID,
+		Username: username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(AccessTokenDuration)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+	
+	accessTokenObj := jwt.NewWithClaims(jwt.SigningMethodHS256, accessClaims)
+	newAccessToken, err := accessTokenObj.SignedString([]byte(m.secretKey))
+	if err != nil {
+		return "", fmt.Errorf("failed to sign new access token: %w", err)
+	}
+	
+	return newAccessToken, nil
+}
+

backend/internal/pkg/password/password.go

@@ -0,0 +1,97 @@
+package password
+
+import (
+	"crypto/rand"
+	"crypto/subtle"
+	"encoding/base64"
+	"fmt"
+	"strings"
+	
+	"golang.org/x/crypto/argon2"
+)
+
+const (
+	// Argon2id 参数
+	memory      = 64 * 1024 // 64 MB
+	iterations  = 3
+	parallelism = 2
+	saltLength  = 16
+	keyLength   = 32
+)
+
+// Hasher 密码哈希器
+type Hasher struct{}
+
+// NewHasher 创建密码哈希器
+func NewHasher() *Hasher {
+	return &Hasher{}
+}
+
+// Hash 哈希密码（使用 Argon2id）
+func (h *Hasher) Hash(password string) (string, error) {
+	// 生成随机 salt
+	salt := make([]byte, saltLength)
+	if _, err := rand.Read(salt); err != nil {
+		return "", fmt.Errorf("failed to generate salt: %w", err)
+	}
+	
+	// 使用 Argon2id 哈希密码
+	hash := argon2.IDKey([]byte(password), salt, iterations, memory, parallelism, keyLength)
+	
+	// 编码为字符串格式: $argon2id$v=19$m=65536,t=3,p=2$salt$hash
+	b64Salt := base64.RawStdEncoding.EncodeToString(salt)
+	b64Hash := base64.RawStdEncoding.EncodeToString(hash)
+	
+	encodedHash := fmt.Sprintf("$argon2id$v=%d$m=%d,t=%d,p=%d$%s$%s",
+		argon2.Version, memory, iterations, parallelism, b64Salt, b64Hash)
+	
+	return encodedHash, nil
+}
+
+// Verify 验证密码
+func (h *Hasher) Verify(password, encodedHash string) error {
+	// 解析编码的哈希
+	parts := strings.Split(encodedHash, "$")
+	if len(parts) != 6 {
+		return fmt.Errorf("invalid hash format")
+	}
+	
+	if parts[1] != "argon2id" {
+		return fmt.Errorf("unsupported algorithm: %s", parts[1])
+	}
+	
+	// 解析参数
+	var version int
+	var m, t, p uint32
+	_, err := fmt.Sscanf(parts[2], "v=%d", &version)
+	if err != nil {
+		return fmt.Errorf("failed to parse version: %w", err)
+	}
+	
+	_, err = fmt.Sscanf(parts[3], "m=%d,t=%d,p=%d", &m, &t, &p)
+	if err != nil {
+		return fmt.Errorf("failed to parse parameters: %w", err)
+	}
+	
+	// 解码 salt 和 hash
+	salt, err := base64.RawStdEncoding.DecodeString(parts[4])
+	if err != nil {
+		return fmt.Errorf("failed to decode salt: %w", err)
+	}
+	
+	hash, err := base64.RawStdEncoding.DecodeString(parts[5])
+	if err != nil {
+		return fmt.Errorf("failed to decode hash: %w", err)
+	}
+	
+	// 使用相同参数哈希输入的密码
+	computedHash := argon2.IDKey([]byte(password), salt, t, m, uint8(p), uint32(len(hash)))
+	
+	// 使用常量时间比较防止时序攻击
+	if subtle.ConstantTimeCompare(hash, computedHash) == 1 {
+		return nil
+	}
+	
+	return fmt.Errorf("password does not match")
+}
+